linux ioctl multiple threads
This question was migrated from Unix & Linux Stack Exchange ... and another process calls ioctl on the same file descriptor while the first ioctl ..., 1 Answer. You certainly can invoke system calls (listed in syscalls(2)) from different threads (otherwise it won't be possible to write programs which do IO on several threads, like most multi-threaded web servers do)., 1 Answer. Sure, they can. If your driver is written correctly (i.e. with multithreading in mind) and all shared data is properly protected, then you can do with fd everything you want (until you close it)., This article provides a way to implement a kernel module on Linux, compile it, ... _IOR means that the application is creating an ioctl command number for ... We can create multiple threads in a module using the following calls., When SMP support was first added to Linux, it used a "giant lock" or ... (A and B) are calling a same function of the kernel module through ioctl (in parallel). ... to provide parallel kernel module function for multiple applications?, This code is part of nvme-cli(its built on linux api) ... So for that, I need to run the below for loop with multiple threads. ... for(count=0; count<rc; count++) *(err+count) = ioctl(fd, NVME_IOCTL_ADMIN_CMD, &cmd); } return err; }.,跳到 Aborting multiple requests - It is possible, using another thread, to abort a ioctl(SG_IO) mrq invocation. In this case the first thread would still be ... , any other ioctls from getting started while they're going. Previously, > > it was possible to saturate the controller using multiple threads or, There should be no problem caused by threading in that regard. There should especially be no kernel crashes. From your description it sounds ...,我們知道Linux 是multi-tasking 的環境，同時可以有很多人執行很多的程序。這是從user 的 ... 在kernel 裡，只有single-thread。也就是說，如果你 .... NULL， /* ioctl */
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 linux ioctl multiple threads 相關參考資料
Calling ioctl on same file descriptor from two different processes ...
This question was migrated from Unix & Linux Stack Exchange ... and another process calls ioctl on the same file descriptor while the first ioctl ... https://stackoverflow.com Can I invoke same system calls with different threads using openmp ...
1 Answer. You certainly can invoke system calls (listed in syscalls(2)) from different threads (otherwise it won't be possible to write programs which do IO on several threads, like most multi-th... https://stackoverflow.com Can we do parallel polling and ioctl on same file descriptor using ...
1 Answer. Sure, they can. If your driver is written correctly (i.e. with multithreading in mind) and all shared data is properly protected, then you can do with fd everything you want (until you clos... https://stackoverflow.com Controlling Linux kernel module through user application ...
This article provides a way to implement a kernel module on Linux, compile it, ... _IOR means that the application is creating an ioctl command number for ... We can create multiple threads in a modu... https://developer.ibm.com Few questions about system calls and kernel modules (kernel ...
When SMP support was first added to Linux, it used a "giant lock" or ... (A and B) are calling a same function of the kernel module through ioctl (in parallel). ... to provide parallel kern... https://unix.stackexchange.com How can I have multiple threads working on the same for loop in C ...
This code is part of nvme-cli(its built on linux api) ... So for that, I need to run the below for loop with multiple threads. ... for(count=0; count<rc; count++) *(err+count) = ioctl(fd, NVME_IOC... https://stackoverflow.com Linux SG_IO ioctl in the 2.6 series - The Linux SCSI Generic (sg)
跳到 Aborting multiple requests - It is possible, using another thread, to abort a ioctl(SG_IO) mrq invocation. In this case the first thread would still be ... http://sg.danny.cz Question about driver ioctl, big ... - Linux-Kernel Archive: Re
any other ioctls from getting started while they're going. Previously, > > it was possible to saturate the controller using multiple threads or http://lkml.iu.edu What happens during an ioctlsyscall done in thread while another ...
There should be no problem caused by threading in that regard. There should especially be no kernel crashes. From your description it sounds ... https://stackoverflow.com [轉]Linux kernel - H's 手札 - 痞客邦
我們知道Linux 是multi-tasking 的環境，同時可以有很多人執行很多的程序。這是從user 的 ... 在kernel 裡，只有single-thread。也就是說，如果你 .... NULL， /* ioctl */ https://huenlil.pixnet.net |